<div class="users form">
<?php echo $this->Session->flash('auth'); ?>
<?php echo $this->Form->create('User',
  array(
   'inputDefaults' => array(
    'required' => false,
   ),
  )); ?>
    <fieldset>
        <h2><?php echo __('Please enter your username and password'); ?></h2>
        <?php 
        echo $this->Form->input('username');
        echo $this->Form->input('password');
    ?>
    </fieldset>
<?php echo $this->Form->end(__('Login')); ?>
</div>